Please register to participate in our discussions with 2 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
Just out of curiosity I checked.. downtown Vancouver recorded only 12 frost days so far this winter so meets wavehunter's threshold. The airport however due to not being in a heat island recorded 36 frost days so far.
I didn’t even think to check...but I found one – Norfolk/VA Beach – 14 days with freeze. I’ll add it to the list. Good call.
Above Norfolk/VA Beach – no chance. I checked Salisbury, MD (on the Delmarva) and it rockets up to 44 days with freeze. So Virginia Beach, VA seems to be the hard line in the sand (no pun intended).
Station/Days with Freeze (32 F/0C) (less than 15 days):
Norfolk/VA Beach…14
Santa Maria, CA…14
North Bend, OR...14
Gulfport, MS…12
Myrtle Beach, SC… 12
Savannah, GA… 12
Tucson, AZ…11
Mobile, AL…11
San Antonio, TX…
Oakland, CA: 8 (a couple days missing data)
San Jose, CA…7
Eureka, CA: 6
Cape Hatteras, NC…6
Corpus Christi, TX…6
Lake Charles, LA…6
Jacksonville, FL…6
Houston, TX (Airport)…6
Crescent City, CA: 5
Monterey, CA: 3
Las Vegas, NV…3
Santa Barbara, CA…3
Daytona Beach, FL…3
Orlando, FL….3
San Diego, CA (Brown Field)…1.
Melbourne, FL….1
New Orleans, LA…1
Freeze - free so far this winter:
Long Beach, CA...0 San Francisco, CA (downtown)…0 Palm Springs, CA…0 Los Angeles, CA (LAX)…0 Phoenix, AZ…0 McAllen,TX…0 Galveston, TX…0 Riverside, CA…0 Oxnard, CA…0 Tampa, FL…0 Naples, FL….0 West Palm/Palm Beach, FL…0 Ft. Lauderdale/Hollywood, FL….0 Miami, FL…0 Key West…0
London Heathrow has recorded 19 frosts since the start of winter. Obviously there will be far fewer in Central London.
Interesting:
I tried to use less than 15 days with freeze as the cut off (to keep the list reasonable small)…so London would just fall short. Nonetheless that is impressive for a station at 53/54 North.
Quote:
Originally Posted by deneb78
Just out of curiosity I checked.. downtown Vancouver recorded only 12 frost days so far this winter so meets wavehunter's threshold. The airport however due to not being in a heat island recorded 36 frost days so far.
In fairness to the other stations – I tried to use only airport stations – mindful of the urban heat island that was discussed above. Still, just like London, that is quite impressive for a station at that latitude.
The urban heat island is a very real variable in temperature it seems. One of the interesting things I noticed was that there are differences between even the small commuter airports in/near downtown… and the big airports outside the city in terms of low temps: There was some eyebrows raised that San Diego had a day with freeze, yet this was at San Diego- Brown Fld (far from downtown)…the other two reporting stations (San Diego – Montgomery Fld and San Diego Lindbergh FLD) never even went below 40 F. Time and time I saw this: Orlando International had 3 days with freeze, yet Orlando Executive (almost downtown) was freeze free this winter.
The urban heat island can never be undrestimated it seems.
Station/Days with Freeze (32 F/0C) (less than 15 days):
Norfolk/VA Beach…14
Santa Maria, CA…14
North Bend, OR...14
Gulfport, MS…12
Myrtle Beach, SC… 12
Savannah, GA… 12
Tucson, AZ…11
Mobile, AL…11
San Antonio, TX…
Oakland, CA: 8 (a couple days missing data)
San Jose, CA…7
Eureka, CA: 6
Cape Hatteras, NC…6
Corpus Christi, TX…6
Lake Charles, LA…6
Jacksonville, FL…6
Houston, TX (Airport)…6
Crescent City, CA: 5
Monterey, CA: 3
Las Vegas, NV…3
Santa Barbara, CA…3
Daytona Beach, FL…3
Orlando, FL….3
San Diego, CA (Brown Field)…1.
Melbourne, FL….1
New Orleans, LA…1
Freeze Free stations so far this winter:
Long Beach, CA...0
San Francisco, CA (downtown)…0
Palm Springs, CA…0
Los Angeles, CA (LAX)…0
Phoenix, AZ…0
Yuma, AZ …0
McAllen,TX…0
Galveston, TX…0
Riverside, CA…0
Oxnard, CA…0
Tampa, FL…0
Naples, FL….0
West Palm/Palm Beach, FL…0
Ft. Lauderdale/Hollywood, FL….0
Miami, FL…0
Key West…0
London is at 51 north, not 53/54. Heathrow averages about 25 frost days per year, so 19 for the winter so far is about average (plus a couple in Nov/Mar).
Central London averages less than 10 days of frost per year due to the heat island. Infact the very heart of London has a January minimum of 5.5C (41.9F), compared with 2.3C (36.1F) at Heathrow.
Some years such as 1998 or 2002 only had 1-2 frosts.
Since when does the very heart of London have a minimum of 5.5C in January? London Weather Centre which is located in the City of London has an average January minimum of 3.7C
Since when does the very heart of London have a minimum of 5.5C in January? London Weather Centre which is located in the City of London has an average January minimum of 3.7C
Where did you get that figure? The stats I used only go back to 1996, from weatheronline.
Just found stats going back to 1992 on tutiempo and the average is 4.4C.
Please register to post and access all features of our very popular forum. It is free and quick. Over $68,000 in prizes has already been given out to active posters on our forum. Additional giveaways are planned.
Detailed information about all U.S. cities, counties, and zip codes on our site: City-data.com.
Please register to participate in our discussions with 2 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
